V = l*w*h
= 3y^4 * 3y^4 * 3y^4
= 3*3 *3 y^(4+4+4)
= 27 y^12
10. 4y^7 * 4y^3
=16 y^(7+3)
16 y^10
4y^7 + 4y ^3
Factor out 4y^3 (Take out the greatest common factor)
4y^3(y^4+1)
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